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Valve-Selection Best Practices

By Ray Herrera, Valin Corp. |

Precise combinations of valves and other equipment lead to process success. A biopolymer fermentation process provides an example of proper valve selection In chemical processes requiring automated control, a properly selected valve can make the difference between a mediocre outcome and a top-quality product. Mistakes are often made when selecting the proper equipment for each job function. The decision process of selecting these components requires extensive knowledge and expertise. There are many factors to consider when engineering an automated chemical process, including motion requirements, cost effectiveness and chemical compatibility. In most cases, a precise combination of valves, sensors and other equipment is required to ensure an efficient and successful operation. Using a biopolymer fermentation process as an illustrative example, this article discusses how specific pairings between valves and surrounding equipment, such as sensors, can increase safety and product quality. Each individual step in the process of fermenting the liquid to create this biopolymer requires a different valve/sensor pairing to ensure the success of the overall process. The article analyzes the process from beginning to end and explains how and…
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